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Water Scarcity Biggest Global Threat

Water Scarcity Biggest Global Threat

Oct 5, 2017 | Health & Human Security

According to the UN, 2 billion people face the biggest global threat: water scarcity. There are many ways to source water, from fog-catcher nets that help some of the poorest people in Peru’s capital Lima harvest water from the moist air to a solar-powered device that...